BEIJINGbingolotto, July 28 (Xinhua) -- The Ministry of Emergency Management on Sunday activated a fourth-level emergency response to floods in southwest China's Guizhou and Yunnan provincesbingolotto.

In a statement, the ministry said that from July 28 to 31, most areas of Guizhou and Yunnan will experience heavy rainfall, with some areas to be hit by "extremely heavy rainstorms."

bingolotto|China launches emergency response to floods in Guizhou, Yunnan provinces

It warned that the heavy rains will give rise to high risks of floods in small and medium-sized rivers, mountain torrents, geological disasters, and severe waterlogging in urban regions.

In light of this, an emergency response for flood control in the two provinces was activated at 7 p.m. Sunday, it said.

China has a four-tier emergency response system for flood control, with Level I being the most urgent response.